Professional OPC
Development Tools

logos

lupa

Online Forums

Technical support is provided through Support Forums below. Anybody can view them; you need to Register/Login to our site (see links in upper right corner) in order to Post questions. You do not have to be a licensed user of our product.

Please read Rules for forum posts before reporting your issue or asking a question. OPC Labs team is actively monitoring the forums, and replies as soon as possible. Various technical information can also be found in our Knowledge Base. For your convenience, we have also assembled a Frequently Asked Questions page.

Do not use the Contact page for technical issues.

Reading, Writing, Subscriptions 183 topics

Subject Replies / Views Last Post
Getting the image type, when reading image nodes
Category: Reading, Writing, Subscriptions
Topic started 03 Mar 2021 07:48, by Lars Otte
Last Post 03 Mar 2021 08:17
by support
Replies:1
Views:1903
Last Post by support
03 Mar 2021 08:17
Slow reading, how can i speed up?
Category: Reading, Writing, Subscriptions
Topic started 25 Feb 2021 19:21, by martinx1
Last Post 28 Feb 2021 20:20
by support
Replies:3
Views:2092
Last Post by support
28 Feb 2021 20:20
EasyUAClient
Category: Reading, Writing, Subscriptions
Topic started 11 Feb 2021 11:36, by Werner.Gall@gapo.de
Last Post 11 Feb 2021 12:34
by support
Replies:1
Views:1058
Last Post by support
11 Feb 2021 12:34
Error Version 2020.3
Category: Reading, Writing, Subscriptions
Topic started 11 Jan 2021 08:51, by Werner.Gall@gapo.de
Last Post 17 Jan 2021 19:07
by support
Replies:8
Views:1055
Last Post by support
17 Jan 2021 19:07
Writing NaN, +INF and -INF for floating point types
Category: Reading, Writing, Subscriptions
Topic started 19 Nov 2020 10:49, by mfi
Last Post 19 Nov 2020 11:48
by mfi
Replies:2
Views:1539
Last Post by mfi
19 Nov 2020 11:48
QuickOPC and SIMATIC NET - reading problems
Category: Reading, Writing, Subscriptions
Topic started 12 Aug 2020 09:07, by bvader
Last Post 10 Nov 2020 12:22
by support
Replies:12
Views:3456
Last Post by support
10 Nov 2020 12:22
The OPC-UA subscription ID 12345 publishing has halted on the client session
Category: Reading, Writing, Subscriptions
Topic started 06 Oct 2020 12:00, by servusintra
Last Post 06 Nov 2020 09:03
by support
Replies:5
Views:2390
Last Post by support
06 Nov 2020 09:03
Write is synchronous or asynchronous?
Category: Reading, Writing, Subscriptions
Topic started 06 Jun 2018 13:16, by I-Tecnology
Last Post 24 Oct 2020 18:38
by support
Replies:9
Views:8698
Last Post by support
24 Oct 2020 18:38
Write Byte Array
Category: Reading, Writing, Subscriptions
Topic started 06 Oct 2020 14:35, by phil56
Last Post 07 Oct 2020 06:48
by support
Replies:5
Views:2096
Last Post by support
07 Oct 2020 06:48
Difference between "SubscribeDataChange" and "SubscribeMonitoredItem" ?
Category: Reading, Writing, Subscriptions
Topic started 06 Oct 2020 12:58, by Dan
Last Post 06 Oct 2020 15:59
by support
Replies:1
Views:2124
Last Post by support
06 Oct 2020 15:59
BadRequestTooLarge
Category: Reading, Writing, Subscriptions
Topic started 03 Sep 2020 17:42, by RoadRunner2019
Last Post 04 Sep 2020 07:54
by support
Replies:1
Views:1481
Last Post by support
04 Sep 2020 07:54
BadRequestTooLarge
Category: Reading, Writing, Subscriptions
Topic started 03 Sep 2020 17:24, by RoadRunner2019
Last Post 03 Sep 2020 17:24
by RoadRunner2019
Replies:0
Views:1304
Last Post by RoadRunner2019
03 Sep 2020 17:24
subscription handle value on bad connection
Category: Reading, Writing, Subscriptions
Topic started 23 Jun 2020 03:25, by cadomanis
Last Post 23 Jun 2020 05:53
by support
Replies:1
Views:1638
Last Post by support
23 Jun 2020 05:53
The requested OPC Data Access technology 'Com' is not supported.
Category: Reading, Writing, Subscriptions
Topic started 17 Jun 2020 03:49, by fbenitez-inblic
Last Post 19 Jun 2020 17:42
by support
Replies:12
Views:3163
Last Post by support
19 Jun 2020 17:42
Timeout error
Category: Reading, Writing, Subscriptions
Topic started 05 May 2020 08:44, by chrisachern
Last Post 05 May 2020 11:47
by support
Replies:1
Views:2475
Last Post by support
05 May 2020 11:47
How to call a method with complex type arguments
Category: Reading, Writing, Subscriptions
Topic started 28 Apr 2020 17:37, by cadomanis
Last Post 01 May 2020 14:22
by cadomanis
Replies:12
Views:3574
Last Post by cadomanis
01 May 2020 14:22
Exceptions calling CallMethod
Category: Reading, Writing, Subscriptions
Topic started 30 Apr 2020 05:23, by sjscheider
Last Post 01 May 2020 06:54
by support
Replies:5
Views:2301
Last Post by support
01 May 2020 06:54
How to create and write a simple complex type
Category: Reading, Writing, Subscriptions
Topic started 24 Apr 2020 16:40, by RND
Last Post 29 Apr 2020 14:08
by RND
Replies:7
Views:2508
Last Post by RND
29 Apr 2020 14:08
Is it possible to execute parallel ReadMultiple calls?
Category: Reading, Writing, Subscriptions
Topic started 05 Mar 2020 10:14, by Grizzo
Last Post 05 Mar 2020 11:38
by support
Replies:1
Views:1845
Last Post by support
05 Mar 2020 11:38
UA Read Value Internal Error
Category: Reading, Writing, Subscriptions
Topic started 24 Feb 2020 15:23, by ncooley
Last Post 24 Feb 2020 16:49
by support
Replies:1
Views:1402
Last Post by support
24 Feb 2020 16:49
Time to create page: 0.073 seconds